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Special precision photometer B 520 L
Special photometer for the measurement of photoluminescent pigments and products according to
DIN 67 510 Part 1:Measurement and marking by the manufacturer
DIN 67 510 Part 2: Measurement on the spot
DIN 81 230 Part 2:Low-Location Lighting system (LLL)
Photoluminescent system (PL)
IMO-Resolution A.752(18):Guidelines for the evaluation, testing and application of Low-Location Lighting on passenger ships
BS 5266-6: 1999Emergency lighting - Photoluminescent systems
and further regulations
Characteristics
  • display range for illuminance 0.0001 lx (last digit) to 600 000 lx
  • display range for luminance 0.00001 cd/m2 (last digit) to 80 000 cd/m2
  • 4-digit display (0-7999) with dimmer for brightness control
  • V.24-(RS 232-) Interface
  • analog output
  • ranging auto/manual, or remote programmable
  • approx. 2.5 readings/s
  • power supply for 230 V, 50-60 Hz,
  • photometer head P 10 FC0, 10 mm dia. light sensitive surface
  • fine V(λ)-approximation, cos-correction
  • 3 m connection cable, power cable with Euro plug
  • calibration, traceable to PTB standard, with LMT calibration certificate
  • individual test report for V(λ)-approximation and cos-correction
  • Class A photometer of high accuracy according to DIN 67 510 in combination with DIN 5032 Part 7

Options
  • Tube, D = 50 mm
  • Set of 3 diaphragms for measurement of small objects in combination with tube D = 35 mm; rectangular aperture sizes 26 × 17 mm, 30 × 7.5 mm, 30 × 4.8 mm; with calibration factors for conversion of measurement results, manually or computerized with special software B 520 L
  • Built-in rechargeable battery (no upgrade) inclusive automatic recharching circuit
  • Thermostatic stabilization of the photometer head for luminance measurement (only in combination with option 03 battery)
  • Power supply for 115 V, 50-60 Hz instead of power supply for 230 V, 50-60 Hz
  • Carrying case for display unit, photometer heads, and accessories
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